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/* Python plug-in for dia
* Copyright (C) 1999 James Henstridge
* Copyright (C) 2000 Hans Breuer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include "pydia-object.h"
#include "pydia-error.h"
#include "message.h"
/*
* A little helper to dump pythons last error info either to file only or
* additional popup a message_error
*/
void
_pyerror_report_last (gboolean popup, const char* fn, const char* file, int line)
{
PyObject *exc, *v, *tb, *ef;
char* sLoc;
if (strlen(fn) > 0)
sLoc = g_strdup_printf ("PyDia Error (%s):\n", fn); /* GNU_PRETTY_FUNCTION is enough */
else
sLoc = g_strdup_printf ("PyDia Error (%s:%d):\n", file, line);
PyErr_Fetch (&exc, &v, &tb);
PyErr_NormalizeException(&exc, &v, &tb);
ef = PyDiaError_New(sLoc, popup ? FALSE : TRUE);
PyFile_WriteObject (exc, ef, 0);
PyFile_WriteObject (v, ef, 0);
PyTraceBack_Print(tb, ef);
if (((PyDiaError*)ef)->str && popup)
message_error ("%s", ((PyDiaError*)ef)->str->str);
g_clear_pointer (&sLoc, g_free);
Py_DECREF (ef);
Py_XDECREF(exc);
Py_XDECREF(v);
Py_XDECREF(tb);
}
/*
* New
*/
PyObject* PyDiaError_New (const char* s, gboolean unbuffered)
{
PyDiaError *self;
self = PyObject_NEW(PyDiaError, &PyDiaError_Type);
if (!self) return NULL;
if (unbuffered) {
self->str = NULL;
}
else {
if (s)
self->str = g_string_new (s);
else
self->str = g_string_new ("");
}
return (PyObject *)self;
}
/*
* Dealloc
*/
static void
PyDiaError_Dealloc (PyObject *self)
{
if (((PyDiaError *) self)->str) {
g_string_free (((PyDiaError *) self)->str, TRUE);
}
PyObject_DEL (self);
}
/*
* Compare
*/
static PyObject *
PyDiaError_RichCompare (PyObject *a,
PyObject *b,
int op)
{
PyDiaError *self = (PyDiaError *) a;
PyDiaError *other = (PyDiaError *) b;
PyObject *left_str;
PyObject *right_str;
PyObject *result;
if (self->str) {
left_str = PyUnicode_FromStringAndSize (self->str->str, self->str->len);
} else {
left_str = Py_None;
Py_INCREF (left_str);
}
if (other->str) {
right_str = PyUnicode_FromStringAndSize (other->str->str, other->str->len);
} else {
right_str = Py_None;
Py_INCREF (right_str);
}
result = PyUnicode_RichCompare (left_str, right_str, op);
Py_DECREF (left_str);
Py_DECREF (right_str);
return result;
}
/*
* Hash
*/
static Py_hash_t
PyDiaError_Hash (PyObject *self)
{
return (long) self;
}
static PyObject *
PyDiaError_Write (PyDiaError *self, PyObject *args)
{
PyObject *obj;
const char *s;
if (!PyArg_ParseTuple (args, "O", &obj)) {
return NULL;
}
s = PyUnicode_AsUTF8 (obj);
if (self->str) {
g_string_append (self->str, s);
}
g_printerr ("%s", s);
Py_RETURN_NONE;
}
static PyMethodDef PyDiaError_Methods [] = {
{ "write", (PyCFunction)PyDiaError_Write, METH_VARARGS },
{ NULL, 0, 0, NULL }
};
/*
* Repr / _Str
*/
static PyObject *
PyDiaError_Str (PyObject *self)
{
return PyUnicode_FromString (((PyDiaError *) self)->str->str);
}
/*
* Python objetcs
*/
PyTypeObject PyDiaError_Type = {
PyVarObject_HEAD_INIT (NULL, 0)
.tp_name = "DiaError",
.tp_basicsize = sizeof (PyDiaError),
.tp_dealloc = PyDiaError_Dealloc,
.tp_getattro = PyObject_GenericGetAttr,
.tp_richcompare = PyDiaError_RichCompare,
.tp_hash = PyDiaError_Hash,
.tp_str = PyDiaError_Str,
.tp_doc = "The error object is just a helper to redirect errors to "
"messages",
.tp_methods = PyDiaError_Methods,
};
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